Quick answers
- Which hospitals does Sabu John work at?
- Medicare's official clinician data lists Sabu John at 2 hospitals: Kings County Hospital Center and Suny/Downstate University Hospital of Brooklyn. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sabu John see patients?
- Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
- What is Sabu John's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Sabu John accept Medicare assignment?
- Yes. Medicare's clinician data says Sabu John accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sabu John?
- (917) 407-7898, as listed in official Medicare / NPI Registry data.
- What is Sabu John's NPI number?
- 1386611531. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sabu John works
Medicare's Facility Affiliation Data lists Sabu John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kings County Hospital CenterBrooklyn, NY · Acute Care Hospital · CCN 330202
- Suny/Downstate University Hospital of BrooklynBrooklyn, NY · Acute Care Hospital · CCN 330350
Practice locations
Addresses where Sabu John is enrolled with Medicare (CMS data updated 2026-10-02).
- 826 Albany AveBrooklyn, NY 11203 (917) 407‑7898
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386611531 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians